CN107238916A - Big zoom ratio, the high definition continuous magnification lens of long-focus - Google Patents
Big zoom ratio, the high definition continuous magnification lens of long-focus Download PDFInfo
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- CN107238916A CN107238916A CN201710568411.4A CN201710568411A CN107238916A CN 107238916 A CN107238916 A CN 107238916A CN 201710568411 A CN201710568411 A CN 201710568411A CN 107238916 A CN107238916 A CN 107238916A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of big zoom ratio, the high definition continuous magnification lens of long-focus, including the preceding fixed group A set gradually along light incident direction, zoom group B, compensation group C, iris diaphgram D and rear fixed group E, fixed group A includes the biconcave lens A 1 set gradually along light incident direction before described, biconvex lens A 2, diverging meniscus lens A 3, biconvex lens A 4 and positive meniscus lens A 5, the zoom group B includes the biconcave lens B 1 set gradually along light incident direction, biconcave lens B 2, biconcave lens B 3 and biconvex lens B 4, the compensation group C includes the biconvex lens C 1 set gradually along light incident direction, diverging meniscus lens C 2, biconvex lens C 3 and positive meniscus lens C 4, fixed group E includes biconcave lens E 1 after described, positive meniscus lens E 2, biconcave lens E 3, biconvex lens E 4, biconvex lens E 5, biconcave lens E 6 and positive meniscus lens E 7.The present invention can realize zoom closed loop control function, focusing closed loop control function, focal length feedback function and Video Out.
Description
Technical field
The present invention relates to a kind of big zoom ratio, the high definition continuous magnification lens of long-focus.
Background technology
Traditional conventional zoom that focal length is short away from camera lens generally existing, and picture quality is not good, and overall volume is larger, does not apply to
The shortcomings of airborne circumstance, with significant limitation.
The content of the invention
In view of the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of big zoom ratio, long-focus
High definition continuous magnification lens, not only reasonable in design, and efficiently convenient.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of big zoom ratio, long-focus high definition it is continuous
Zoom lens, it is characterised in that：Including the preceding fixed group A set gradually along light incident direction, zoom group B, compensation group C, can
Become a diaphragm D and rear fixed group E, it is described before fixed group A include the biconcave lens A-1, double set gradually along light incident direction
Convex lens A-2, diverging meniscus lens A-3, biconvex lens A-4 and positive meniscus lens A-5, the zoom group B along light comprising entering
Penetrate biconcave lens B-1, biconcave lens B-2, biconcave lens B-3 and biconvex lens B-4 that direction is set gradually, the compensation group
C includes biconvex lens C-1, diverging meniscus lens C-2, biconvex lens C-3 and the positive bent moon set gradually along light incident direction
Lens C-4, it is described after fixed group E include biconcave lens E-1, positive meniscus lens E-2, biconcave lens E-3, biconvex lens E-4, double
Convex lens E-5, biconcave lens E-6 and positive meniscus lens E-7.
It is preferred that, the biconcave lens A-1 and biconvex lens A-2 contiguity is the first gluing unit, the diverging meniscus lens A-3
It is the second gluing unit with biconvex lens A-4 contiguity, the biconcave lens B-3 and biconvex lens B-4 contiguity is the 3rd gluing unit, institute
It is the 4th gluing unit to state diverging meniscus lens C-2 and biconvex lens C-3 contiguity, and the biconcave lens E-3 and biconvex lens E-4 touches
For the 5th gluing unit.
It is preferred that, the airspace between the preceding fixed group A and zoom group B is 4mm~82.01mm, the zoom group B
The mm of 114.66mm~2.2 is in airspace between compensation group C, between the air between the compensation group C and rear fixed group E
It is divided into 2.005mm~36.45mm.
It is preferred that, the airspace between first gluing unit and the second gluing unit is 0.15mm, and described second is glued
Airspace between group and positive meniscus lens A-5 is 0.15mm；Sky between the biconcave lens B-1 and biconcave lens B-2
Gas is at intervals of 2.83mm, and the airspace between the biconcave lens B-2 and the 3rd gluing unit is 2.01mm；The biconvex lens
Airspace between C-1 and the 4th gluing unit is 0.15mm, the air between the 4th gluing unit and positive meniscus lens C-4
At intervals of 0.15mm；Airspace between the biconcave lens E-1 and positive meniscus lens E-2 is 0.15mm, the positive bent moon
Airspace before lens E-2 and the 5th gluing unit is 8.27mm, the sky between the 5th gluing unit and biconvex lens E-5
Gas is at intervals of 22.85mm, and the airspace between the biconvex lens E-5 and biconcave lens E-6 is 1.09mm, and the concave-concave is saturating
Airspace between mirror E-6 and positive meniscus lens E-7 is 6.9mm.
It is preferred that, in addition to focusing component, zoom component, compensation component, the cam set gradually along light incident direction
Component, rear fixation kit and camera assembly, the zoom component constitute zoom compensation component together with compensation component, described
Preceding fixed group A is arranged in focusing component, and the zoom group B is arranged in zoom component, and the compensation group C is arranged on compensation group
In part, the rear fixed group E is arranged in rear fixation kit.
It is preferred that, the focusing component includes preceding group lens barrel, preceding group of trim ring, BC spacer rings and DE spacer rings, it is described before group pressure
First gluing unit, the second gluing unit and positive meniscus lens A-5 are pressed in preceding group of lens barrel by circle, first gluing unit and the
Separate, separated between second gluing unit and positive meniscus lens A-5 through DE spacer rings through BC spacer rings between two gluing units.
It is preferred that, it is arranged with outside the preceding group lens barrel outside focusing body tube, the focusing body tube and is arranged with focusing cam,
Focusing guide pin component is provided with before described on group lens barrel, uniform linear straight of two 180o is provided with the focusing body tube
The uniform linear skewed slots of two 180o, one end of the focusing guide pin component and preceding group of mirror are provided with groove, the focusing cam
Cylinder is fixedly connected, and the other end of the focusing guide pin component is slidably matched through linear straight trough with linear skewed slot, the focusing master
The focusing motor for being provided with to drive focusing cam to rotate through motor rack of focusing on lens barrel, the focusing motor is through motor of focusing
Gear is connected with focusing cam.
It is preferred that, the zoom component includes the zoom lens barrel and zoom balladeur train linked together through attachment screw, described
Compensation component, which includes to link together through attachment screw, compensates lens barrel and compensation balladeur train, and the zoom balladeur train is all provided with compensation balladeur train
Put in zoom compensation body tube, zoom compensation cam is arranged with outside the zoom compensation body tube, the zoom compensates cam
Through steel ball and zoom compensation body tube formation rolling bearing, zoom compensated curve groove, institute are offered on the zoom compensation cam
State to offer on zoom compensation body tube on zoom straight trough and compensation straight trough, the zoom balladeur train and be provided with zoom guide pin component,
One end of the zoom guide pin component is fixedly connected with zoom balladeur train, and the other end of the zoom guide pin component passes through zoom straight trough
It is slidably matched with zoom compensated curve groove, compensation guide pin component is provided with the compensation balladeur train, the compensation guide pin component
One end is fixedly connected with compensation balladeur train, and the other end of the compensation guide pin component is slided through compensation straight trough with zoom compensated curve groove
It is dynamic to coordinate, the change for driving zoom to compensate cam rotation is installed through zoom small electromotor frame on the zoom compensation body tube
Times small electromotor, the zoom small electromotor, which compensates gear through zoom and compensates cam with zoom, to be connected.
It is preferred that, organize group after trim ring, the 3rd after group trim ring, second after group lens barrel, first after the rear fixation kit is included
Organized after trim ring, first and organize spacer ring after group spacer ring and the 5th after group spacer ring, the 4th after group spacer ring, the 3rd after spacer ring, second, it is described
Organize trim ring after first biconcave lens E-1, positive meniscus lens E-2, the 5th gluing unit are pressed in rear group of lens barrel, the concave-concave is saturating
Spacer ring is organized between mirror E-1 and positive meniscus lens E-2 after first to separate, between the positive meniscus lens E-2 and the 5th gluing unit
Spacer ring is organized after second to separate, and trim ring is organized after described second biconvex lens E-5 and biconcave lens E-6 are placed in rear group of lens barrel
It is interior, organize spacer ring after the 3rd between the biconvex lens E-5 and rear group lens barrel and separate, the biconvex lens E-5 and biconcave lens
Spacer ring is organized after the 4th to separate, trim ring is organized after the described 3rd positive meniscus lens E-7 is pressed in rear group of lens barrel between E-6, institute
State and organize spacer ring after the 5th between positive meniscus lens E-7 and rear group lens barrel and separate.
Compared with prior art, the invention has the advantages that：The present invention can realize zoom closed loop control
Function processed, focusing closed loop control function, focal length feedback function and Video Out.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the optical system schematic diagram of the embodiment of the present invention.
Fig. 2 is the optical configuration schematic diagram of the embodiment of the present invention.
Fig. 3 is the organigram of focusing component of the embodiment of the present invention.
Fig. 4 is the organigram of focusing component of the embodiment of the present invention.
Fig. 5 is the organigram that zoom of the embodiment of the present invention compensates component.
Fig. 6 is the organigram that zoom of the embodiment of the present invention compensates component.
Fig. 7 is the organigram of fixation kit after the embodiment of the present invention.
In figure：
Fixed group A, A-1- biconcave lens A-1, A-2- biconvex lens A-2, A-3- diverging meniscus lens A-3, A-4- lenticular before A-
Mirror A-4, A-5- positive meniscus lens A-5；
B- zoom group B, B-1- biconcave lens B-1, B-2- biconcave lens B-2, B-3- biconcave lens B-3, B-4- biconvex lens B-
4；
The positive bent moon of C- compensation group C, C-1- biconvex lens C-1, C-2- diverging meniscus lens C-2, C-3- biconvex lens C-3, C-4- is saturating
Mirror C-4；
D- iris diaphgrams D；
Fixed group E, E-1- biconcave lens E-1, E-2- positive meniscus lens E-2, E-3- biconcave lens E-3, E-4- lenticular after E-
Mirror E-4, E-5- biconvex lens E-5, E-6- biconcave lens E-6, E-7- positive meniscus lens E-7；
Organized before 1- focusing components, 101- and trim ring is organized before lens barrel, 102-, 103-BC spacer rings, 104-DE spacer rings, 105- focusing primary mirrors
Cylinder, 106- focusing cams, 107- focusing cam trim rings, 108- focusing guide pin components, 109- focusing motor racks, 110- focusing electricity
Machine, 111- focusing motor gears, 112- focusing potentiometers, 113- focusing potentiometer gears, 114- focusing potentiometer framves, 115- is adjusted
Burnt Hall element, 116- Hall element framves, 117- focusing magnetic receivers；
2- zooms compensate component, and 201- zoom lens barrels, 202- zoom balladeur trains, 203- compensation lens barrels, 204- compensation balladeur trains, 205- becomes
Body tube, 206- zooms compensation cam, 207- steel balls, 208- zoom cam trim rings, 209- zoom guide pin components, 210- are compensated again
Guide pin component is compensated, 211- zoom small electromotor framves, 212- zoom small electromotors, 213- zoom small electromotor gears, 214- becomes
Times compensation potentiometer, 215- zooms compensation potentiometer gear, 216- zooms compensation Hall element, 217- zoom limiting brackets,
218- zooms compensating magnet seat；
3- cam packs；
Organize to organize after lens barrel, 402- first after fixation kit after 4-, 401- and group after trim ring, 404- the 3rd is organized after trim ring, 403- second
Organized after trim ring, 405- first organized after spacer ring, 406- second spacer ring, 408- the 4th are organized after spacer ring, 407- the 3rd after organize spacer ring, 409-
Spacer ring is organized after 5th；
5- camera assemblies.
Embodiment
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 7, a kind of big zoom ratio, the high definition continuous magnification lens of long-focus, it is characterised in that：Including along light
Preceding fixation group A, zoom group B, compensation group C, iris diaphgram D and a rear fixed group E that line incident direction is set gradually, it is described preceding solid
Surely group A includes the biconcave lens A-1 set gradually along light incident direction, biconvex lens A-2, diverging meniscus lens A-3, lenticular
Mirror A-4 and positive meniscus lens A-5, the zoom group B include the biconcave lens B-1, double set gradually along light incident direction
Concavees lens B-2, biconcave lens B-3 and biconvex lens B-4, the compensation group C include what is set gradually along light incident direction
Biconvex lens C-1, diverging meniscus lens C-2, biconvex lens C-3 and positive meniscus lens C-4, the rear fixed group E include concave-concave
Lens E-1, positive meniscus lens E-2, biconcave lens E-3, biconvex lens E-4, biconvex lens E-5, biconcave lens E-6 and just curved
Moon lens E-7.
In embodiments of the present invention, the biconcave lens A-1 and biconvex lens A-2 contiguity is the first gluing unit, described negative
Meniscus lens A-3 and biconvex lens A-4 contiguity are the second gluing unit, and the biconcave lens B-3 and biconvex lens B-4 contiguity is the
Three gluing units, the diverging meniscus lens C-2 and biconvex lens C-3 contiguity is the 4th gluing unit, the biconcave lens E-3 and biconvex
Lens E-4 contiguity is the 5th gluing unit.
In embodiments of the present invention, the airspace between the preceding fixed group A and zoom group B is 4mm~82.01mm,
Airspace between the zoom group B and compensation group C for 114.66mm~2.2 mm, the compensation group C and rear fixed group E it
Between airspace be 2.005mm~36.45mm.
In embodiments of the present invention, the airspace between first gluing unit and the second gluing unit is 0.15mm, institute
It is 0.15mm to state the airspace between the second gluing unit and positive meniscus lens A-5；The biconcave lens B-1 and biconcave lens B-
Airspace between 2 is 2.83mm, and the airspace between the biconcave lens B-2 and the 3rd gluing unit is 2.01mm；Institute
It is 0.15mm, the 4th gluing unit and positive meniscus lens C-4 to state the airspace between biconvex lens C-1 and the 4th gluing unit
Between airspace be 0.15mm；Airspace between the biconcave lens E-1 and positive meniscus lens E-2 is 0.15mm,
Airspace before the positive meniscus lens E-2 and the 5th gluing unit is 8.27mm, the 5th gluing unit and biconvex lens
Airspace between E-5 is 22.85mm, and the airspace between the biconvex lens E-5 and biconcave lens E-6 is
1.09mm, the airspace between the biconcave lens E-6 and positive meniscus lens E-7 is 6.9mm.
In embodiments of the present invention, in addition to along light incident direction the focusing component 1 that sets gradually, zoom component, mend
Component, cam pack 3, rear fixation kit 4 and camera assembly 5 are repaid, the zoom component constitutes change together with compensation component
Component 2 is compensated again, and the preceding fixed group A is arranged in focusing component 1, and the zoom group B is arranged in zoom component, the benefit
Repay a group C to be arranged in compensation component, the rear fixed group E is arranged in rear fixation kit 4.
In embodiments of the present invention, the focusing component 1 comprising preceding group lens barrel 101, preceding group of trim ring 102, BC spacer rings 103 with
And DE spacer rings 104, it is described before group trim ring 102 first gluing unit, the second gluing unit and positive meniscus lens A-5 are pressed on preceding group
In lens barrel 101, separated between first gluing unit and the second gluing unit through BC spacer rings 103, second gluing unit with it is just curved
Separated between moon lens A-5 through DE spacer rings 104.
In embodiments of the present invention, focusing body tube 105, the focusing body tube are arranged with outside the preceding group lens barrel 101
It is arranged with outside 105 on focusing cam 106, the preceding group lens barrel 101 and is provided with focusing guide pin component 108, the focusing body tube
Be provided with 105 be provided with the uniform linear straight troughs of two 180o, the focusing cam 106 two 180o it is uniform it is linear tiltedly
Groove, one end of the focusing guide pin component 108 is fixedly connected with preceding group of lens barrel 101, the other end of the focusing guide pin component 108
It is slidably matched through linear straight trough with linear skewed slot, is provided with to drive through motor rack 109 of focusing on the focusing body tube 105
The focusing motor 110 that dynamic focusing cam 106 is rotated, the focusing motor 110 is through motor gear 111 and the focusing cam 106 of focusing
It is connected.
In embodiments of the present invention, the focusing guide pin component 108 is led comprising focusing guide pin, the first focusing roller, focusing
Ring, the second focusing roller, focusing motor 110, focusing potentiometer 112, focusing body tube 105, focusing Hall element 115 constitute electricity
Dynamic focusing, the focusing Hall element 115 is arranged on focusing body tube 105 by Hall element frame 116, passes through focusing
Straight trough limitation on body tube 105, the rotation of preceding group of lens barrel 101 is limited, so as to be moved along a straight line along straight trough, so that real
Now to the focusing function of far and near target；Magnet of focusing is set on focusing magnetic receiver 117, is followed the rotation of focusing cam 106, is passed through
The collective effect of focusing Hall element 115 and focusing magnet plays the spacing and protective effect of corner to focusing cam 106；When being
The adjustable range of system changes, and focusing potentiometer 112 revolves focusing potentiometer 112 by being engaged with focusing cam 106
Turn, then the resistance of potentiometer 112 of focusing is changed, and the change of focusing potentiometer 112 can be taken out by appropriate sample circuit
Value, and control centre is transmitted to, so as to realize the display of focussing distance, conversely, providing order by control centre, focusing can be achieved
Distance control in real time.
In embodiments of the present invention, the zoom component include the zoom lens barrel 201 that links together through attachment screw with
Zoom balladeur train 202, the compensation component is included links together compensation lens barrel 203 with compensating balladeur train 204 through attachment screw, described
Zoom balladeur train 202 is arranged in zoom compensation body tube 205 with compensation balladeur train 204, and the zoom compensates the overcoat of body tube 205
Cam 206 is compensated provided with zoom, the zoom compensation cam 206 is through steel ball 207 and the zoom compensation formation axis of rolling of body tube 205
Hold, locked by bearing pressure ring with zoom cam trim ring 208, zoom compensated curve groove is offered on the zoom compensation cam 206,
Offered on zoom compensation body tube 205 and be provided with zoom on zoom straight trough and compensation straight trough, the zoom balladeur train 202 and lead
Screw assembly 209, one end of the zoom guide pin component 209 is fixedly connected with zoom balladeur train 202, the zoom guide pin component 209
The other end be slidably matched through zoom straight trough with zoom compensated curve groove, it is described compensation balladeur train 204 on be provided with compensation guide pin
Component 210, one end of the compensation guide pin component 210 is fixedly connected with compensation balladeur train 204, the compensation guide pin component 210
The other end is slidably matched through compensation straight trough with zoom compensated curve groove, is compensated on the zoom compensation body tube 205 through zoom
Motor rack 211 is provided with to drive zoom to compensate the zoom small electromotor 212 that cam 206 is rotated, the zoom small electromotor
212 are connected through zoom small electromotor gear 213 with zoom compensation cam 206.
In embodiments of the present invention, the zoom small electromotor 212, zoom compensation potentiometer 214, zoom compensation Hall member
The composition power zoom of part 216 mechanism, the zoom small electromotor 212, zoom compensation potentiometer 214 pass through zoom small electromotor
212 framves 211 are arranged on zoom compensation body tube 205, and the zoom compensation Hall element 216 passes through zoom limiting bracket 217
On zoom compensation body tube 205, the gear that zoom small electromotor gear 213 compensates cam 206 with zoom is meshed, when
When the rotor of zoom small electromotor 212 does positive and negative rotary motion, drive zoom compensation cam 206 to do corresponding rotation, pass through zoom
Compensated curve groove and zoom guide pin component 209, compensation guide pin component 210 drive zoom balladeur train 202, compensation balladeur train 204 to press zoom
The mode of compensated curve groove is moved, and the zoom straight trough on the zoom compensation body tube 205 plays limitation zoom with compensation straight trough
The effect of guide pin component 209, compensation guide pin component 210, and zoom balladeur train 202, the rotary motion of compensation balladeur train 204 is changed into straight
Line is moved；Strict control zoom guide pin component 209, compensation guide pin component 210 and zoom compensation wire casing, zoom straight trough, compensation are straight
Fit clearance between groove, it is ensured that zoom component and compensation component slippage it is steady, without cassette tape；So pass through zoom small electromotor
212 rotations realize that zoom component and compensation component are done linear motion back and forth by zoom motion equation requirement, so as to realize system
The consecutive variations function of focal length；When the focal length of system changes, zoom compensation potentiometer gear 215 compensates cam with zoom
206 gear engagement, it is synchronous to occur relative rotation, the resistance hair of zoom compensation potentiometer 214 with zoom compensation cam 206
Changing, the changing value of potentiometer can be obtained by appropriate sample circuit, and is transmitted to control centre, so as to realize zoom level
Display, conversely, provide respective resistance values order by control centre, the real-time control of focal length can be achieved, or compensate by zoom
Magnet cooperating, plays the spacing and protective effect to system in zoom, compensation process.
In embodiments of the present invention, organized after the rear fixation kit 4 is included and trim ring 402, second is organized after lens barrel 401, first
Afterwards group trim ring the 403, the 3rd after group trim ring 404, first after group spacer ring 405, second after group spacer ring the 406, the 3rd after group spacer ring 407,
Group trim ring 402 after group spacer ring 409 after spacer ring 408 and the 5th, described first is organized after 4th biconcave lens E-1, positive bent moon is saturating
Mirror E-2, the 5th gluing unit are pressed in rear group of lens barrel 401, through first between the biconcave lens E-1 and positive meniscus lens E-2
Group spacer ring 405 is separated afterwards, and organizing spacer ring 406 after second between the positive meniscus lens E-2 and the 5th gluing unit separates, and described the
Organize trim ring 403 after two biconvex lens E-5 and biconcave lens E-6 are placed in rear group of lens barrel 401, the biconvex lens E-5 with
Organize spacer ring 407 after the 3rd between group lens barrel 401 afterwards to separate, between the biconvex lens E-5 and biconcave lens E-6 after the 4th
Group spacer ring 408 is separated, and trim ring 404 is organized after the described 3rd positive meniscus lens E-7 is pressed in rear group of lens barrel 401, described just curved
Spacer ring 409 is organized between moon lens E-7 and rear group lens barrel 401 after the 5th to separate.
In embodiments of the present invention, the optical index that this optical system reaches：
In embodiments of the present invention, optical component parameter such as following table.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are each under the enlightenment of the present invention
Big zoom ratio, the high definition continuous magnification lens of long-focus of the form of kind.All impartial changes done according to scope of the present invention patent
Change and modify, should all belong to the covering scope of the present invention.
Claims (9)
1. the high definition continuous magnification lens of a kind of big zoom ratio, long-focus, it is characterised in that：Including along light incident direction successively
Preceding fixation group A, zoom group B, compensation group C, iris diaphgram D and the rear fixed group E set, the preceding fixed group A are included along light
Biconcave lens A-1 that line incident direction is set gradually, biconvex lens A-2, diverging meniscus lens A-3, biconvex lens A-4 and just curved
Moon lens A-5, the zoom group B includes biconcave lens B-1, biconcave lens B-2, the concave-concave set gradually along light incident direction
Lens B-3 and biconvex lens B-4, the compensation group C include the biconvex lens C-1, negative set gradually along light incident direction
Meniscus lens C-2, biconvex lens C-3 and positive meniscus lens C-4, the rear fixed group E include biconcave lens E-1, positive bent moon
Lens E-2, biconcave lens E-3, biconvex lens E-4, biconvex lens E-5, biconcave lens E-6 and positive meniscus lens E-7.
2. the high definition continuous magnification lens of big zoom ratio according to claim 1, long-focus, it is characterised in that：It is described double
Concavees lens A-1 and biconvex lens A-2 contiguity are the first gluing unit, and the diverging meniscus lens A-3 and biconvex lens A-4 contiguity is the
Two gluing units, the biconcave lens B-3 and biconvex lens B-4 contiguity is the 3rd gluing unit, the diverging meniscus lens C-2 and biconvex
Lens C-3 contiguity is the 4th gluing unit, and the biconcave lens E-3 and biconvex lens E-4 contiguity is the 5th gluing unit.
3. the high definition continuous magnification lens of big zoom ratio according to claim 2, long-focus, it is characterised in that：Before described
Airspace between fixed group A and zoom group B is between 4mm~82.01mm, the air between the zoom group B and compensation group C
The mm of 114.66mm~2.2 is divided into, the airspace between the compensation group C and rear fixed group E is 2.005mm~36.45mm.
4. the high definition continuous magnification lens of big zoom ratio according to claim 2, long-focus, it is characterised in that：Described
Airspace between one gluing unit and the second gluing unit is 0.15mm, between second gluing unit and positive meniscus lens A-5
Airspace be 0.15mm；Airspace between the biconcave lens B-1 and biconcave lens B-2 is 2.83mm, described double
Airspace between concavees lens B-2 and the 3rd gluing unit is 2.01mm；Between the biconvex lens C-1 and the 4th gluing unit
Airspace is 0.15mm, and the airspace between the 4th gluing unit and positive meniscus lens C-4 is 0.15mm；The concave-concave
Airspace between lens E-1 and positive meniscus lens E-2 is 0.15mm, the positive meniscus lens E-2 and the 5th gluing unit it
Preceding airspace is 8.27mm, and the airspace between the 5th gluing unit and biconvex lens E-5 is 22.85mm, described
Airspace between biconvex lens E-5 and biconcave lens E-6 is 1.09mm, the biconcave lens E-6 and positive meniscus lens E-7
Between airspace be 6.9mm.
5. the high definition continuous magnification lens of big zoom ratio according to claim 2, long-focus, it is characterised in that：Also include
The focusing component that is set gradually along light incident direction, zoom component, compensation component, cam pack, rear fixation kit and take the photograph
Camera component, the zoom component constitutes zoom compensation component together with compensation component, and the preceding fixed group A is arranged on focusing group
In part, the zoom group B is arranged in zoom component, and the compensation group C is arranged in compensation component, and the rear fixed group E is set
Put in rear fixation kit.
6. the high definition continuous magnification lens of big zoom ratio according to claim 5, long-focus, it is characterised in that：It is described to adjust
Burnt component includes preceding group lens barrel, preceding group of trim ring, BC spacer rings and DE spacer rings, it is described before group trim ring by the first gluing unit, the second glue
Charge-coupled and positive meniscus lens A-5 is pressed in preceding group of lens barrel, through BC spacer rings between first gluing unit and the second gluing unit
Separate, separated between second gluing unit and positive meniscus lens A-5 through DE spacer rings.
7. the high definition continuous magnification lens of big zoom ratio according to claim 5, long-focus, it is characterised in that：Before described
It is arranged with outside group lens barrel outside focusing body tube, the focusing body tube and is arranged with focusing cam, is provided with the preceding group lens barrel
It is provided with the uniform linear straight troughs of two 180o, the focusing cam and sets on focusing guide pin component, the focusing body tube
There are the uniform linear skewed slots of two 180o, one end of the focusing guide pin component is fixedly connected with preceding group of lens barrel, and the focusing is led
The other end of screw assembly is slidably matched through linear straight trough with linear skewed slot, is installed on the focusing body tube through motor rack of focusing
There is the focusing motor for driving focusing cam to rotate, the focusing motor is connected through motor gear of focusing with focusing cam.
8. the high definition continuous magnification lens of big zoom ratio according to claim 5, long-focus, it is characterised in that：It is described to become
Times component includes the zoom lens barrel and zoom balladeur train linked together through attachment screw, and the compensation component is included through attachment screw
Linked together compensation lens barrel and compensation balladeur train, and the zoom balladeur train is arranged in zoom compensation body tube with compensation balladeur train,
Zoom compensation cam is arranged with outside the zoom compensation body tube, the zoom compensation cam compensates body tube through steel ball and zoom
Formed to offer on rolling bearing, the zoom compensation cam and opened up on zoom compensated curve groove, the zoom compensation body tube
Have and be provided with zoom guide pin component, one end of the zoom guide pin component on zoom straight trough and compensation straight trough, the zoom balladeur train
It is fixedly connected with zoom balladeur train, the other end of the zoom guide pin component is slided through zoom straight trough with zoom compensated curve groove matches somebody with somebody
Close, compensation guide pin component be provided with the compensation balladeur train, one end of the compensation guide pin component is fixedly connected with compensation balladeur train,
The other end of the compensation guide pin component is slidably matched through compensation straight trough with zoom compensated curve groove, and the zoom compensates primary mirror
It is provided with to drive zoom to compensate the zoom small electromotor of cam rotation, the zoom compensation through zoom small electromotor frame on cylinder
Motor compensates gear through zoom and is connected with zoom compensation cam.
9. the high definition continuous magnification lens of big zoom ratio according to claim 1, long-focus, it is characterised in that：After described
After fixation kit is included spacer ring, second are organized after group lens barrel, first after group trim ring, first after group trim ring, the 3rd after group trim ring, second
Organized afterwards after group spacer ring, the 3rd after group spacer ring, the 4th after group spacer ring and the 5th and trim ring is organized after spacer ring, described first by biconcave lens
E-1, positive meniscus lens E-2, the 5th gluing unit are pressed in rear group of lens barrel, the biconcave lens E-1 and positive meniscus lens E-2 it
Between after first organize spacer ring separate, between the positive meniscus lens E-2 and the 5th gluing unit after second organize spacer ring separate, it is described
Organize trim ring after second biconvex lens E-5 and biconcave lens E-6 are placed in rear group of lens barrel, the biconvex lens E-5 with rear group
Between lens barrel after the 3rd organize spacer ring separate, between the biconvex lens E-5 and biconcave lens E-6 after the 4th organize spacer ring every
Open, trim ring is organized after the described 3rd positive meniscus lens E-7 is pressed in rear group of lens barrel, the positive meniscus lens E-7 and rear group mirror
Spacer ring is organized between cylinder after the 5th to separate.
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| CN201710568411.4A CN107238916B (en) | 2017-07-13 | 2017-07-13 | High-definition continuous zoom lens with large zoom ratio and long focal length |
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| CN201710568411.4A CN107238916B (en) | 2017-07-13 | 2017-07-13 | High-definition continuous zoom lens with large zoom ratio and long focal length |
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| CN107238916B CN107238916B (en) | 2019-12-24 |
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| CN108873277A (en) * | 2018-08-17 | 2018-11-23 | 福建福光股份有限公司 | A kind of big zoom ratio high definition zoom lens of compact wide-angle |
| CN111650746A (en) * | 2020-05-11 | 2020-09-11 | 中国科学院西安光学精密机械研究所 | Method for improving focusing precision of zoom optical system |
| CN112099221A (en) * | 2020-08-31 | 2020-12-18 | 南京理工大学 | Digital microscopic optical imaging device with long working distance |
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| CN116165782B (en) * | 2022-12-25 | 2024-03-15 | 福建福光股份有限公司 | 30 times Gao Qingchang focus continuous zoom lens with fog penetrating function |
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